Tsarnaev was convicted of all 30 charges against him, including conspiracy and use of a weapon of mass destruction and the killing of Massachusetts Institute of Technology Police Officer Sean Collier during the getaway attempt. Prosecutors said the brothers carried out the attack to punish the U.S. for wars in Muslim countries.

With just weeks left in office, US President Joe Biden has commuted the sentences of 37 of 40 federal death row inmates - potentially thwarting President-elect Donald Trump's plans to expand federal executions during his upcoming administration.

Joe Biden believes the death penalty "must stop" at the federal level, except for those guilty of terrorism and mass murder motivated by hate, the White House said.

Marvin Gabrion was convicted and sentenced to die more than two decades ago for killing a woman who had accused him of rape.

Biden preserved the death sentences of three mass murderers but commuted the sentences of 37 other federal death row inmates to life in prison.

Retiring Sen. Joe Manchin (I-WV) condemned President Joe Biden for his decision to commute dozens of death sentences, including the men who pleaded guilty to kidnapping and killing a West Virginia college student.